Patents by Inventor Alfred Feichtinger

Alfred Feichtinger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for treating partially desulfurized coke
    Patent number: 4334960
    Abstract: The invention concerns a process for improving the strength properties of partially desulfurized coke, especially petroleum coke, and in such a way that it is then suitable as raw material for electrodes, in particular anodes for the fused salt electrolytic production of aluminum by the Hall Heroult process. The process according to the invention comprises an after-treatment of the partially desulfurized coke at an elevated temperature for a duration of at least 30 minutes, as a result of which the strength of the coke increases.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: June 15, 1982
    Assignee: Swiss Aluminium Ltd.
    Inventors: Kurt Brandenberger, Alfred Feichtinger, Werner Fischer